From fdb409f636cd6fc3ac4e2f9c880402860e738554 Mon Sep 17 00:00:00 2001
From: Bhuvanesh Surachari <bhuvanesh_surachari@mentor.com>
Date: Mon, 1 Dec 2014 02:23:02 -0500
Subject: [PATCH] mmc: queue: Improve error handling during allocation of
 bounce buffers

Allocation of previous bounce buffer in mmc_init_queue when the current
bounce buffer allocation fails was leading to a crash later in
__blk_segment_map_sg. Error handling is improved by allocating previous
bounce buffer only if the current bounce buffer allocation succeeds.

Signed-off-by: Bhuvanesh Surachari <bhuvanesh_surachari@mentor.com>
Signed-off-by: Harish Jenny K N <harish_kandiga@mentor.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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